//! on-chain transactions (it only monitors the chain to watch for any force-closes that might
//! imply it needs to fail HTLCs/payments/channels it manages).
-use bitcoin::blockdata::block::BlockHeader;
+use bitcoin::blockdata::block::Header;
use bitcoin::blockdata::transaction::Transaction;
use bitcoin::blockdata::constants::ChainHash;
+use bitcoin::key::constants::SECRET_KEY_SIZE;
use bitcoin::network::constants::Network;
use bitcoin::hashes::Hash;
use bitcoin::secp256k1::{SecretKey,PublicKey};
use bitcoin::secp256k1::Secp256k1;
-use bitcoin::{LockTime, secp256k1, Sequence};
+use bitcoin::{secp256k1, Sequence};
use crate::blinded_path::BlindedPath;
use crate::blinded_path::payment::{PaymentConstraints, ReceiveTlvs};
use crate::routing::gossip::NetworkGraph;
use crate::routing::router::{BlindedTail, DefaultRouter, InFlightHtlcs, Path, Payee, PaymentParameters, Route, RouteParameters, Router};
use crate::routing::scoring::{ProbabilisticScorer, ProbabilisticScoringFeeParameters};
+use crate::ln::onion_payment::{check_incoming_htlc_cltv, create_recv_pending_htlc_info, create_fwd_pending_htlc_info, decode_incoming_update_add_htlc_onion, InboundOnionErr, NextPacketDetails};
use crate::ln::msgs;
use crate::ln::onion_utils;
-use crate::ln::onion_utils::HTLCFailReason;
+use crate::ln::onion_utils::{HTLCFailReason, INVALID_ONION_BLINDING};
use crate::ln::msgs::{ChannelMessageHandler, DecodeError, LightningError};
#[cfg(test)]
use crate::ln::outbound_payment;
use crate::offers::parse::Bolt12SemanticError;
use crate::offers::refund::{Refund, RefundBuilder};
use crate::onion_message::{Destination, OffersMessage, OffersMessageHandler, PendingOnionMessage, new_pending_onion_message};
-use crate::sign::{EntropySource, KeysManager, NodeSigner, Recipient, SignerProvider, WriteableEcdsaChannelSigner};
+use crate::sign::{EntropySource, KeysManager, NodeSigner, Recipient, SignerProvider};
+use crate::sign::ecdsa::WriteableEcdsaChannelSigner;
use crate::util::config::{UserConfig, ChannelConfig, ChannelConfigUpdate};
use crate::util::wakers::{Future, Notifier};
use crate::util::scid_utils::fake_scid;
/// The SCID from the onion that we should forward to. This could be a real SCID or a fake one
/// generated using `get_fake_scid` from the scid_utils::fake_scid module.
short_channel_id: u64, // This should be NonZero<u64> eventually when we bump MSRV
+ /// Set if this HTLC is being forwarded within a blinded path.
+ blinded: Option<BlindedForward>,
},
- /// An HTLC paid to an invoice we generated.
+ /// An HTLC paid to an invoice (supposedly) generated by us.
+ /// At this point, we have not checked that the invoice being paid was actually generated by us,
+ /// but rather it's claiming to pay an invoice of ours.
Receive {
/// Payment secret and total msat received.
payment_data: msgs::FinalOnionHopData,
/// See [`RecipientOnionFields::payment_metadata`] for more info.
payment_metadata: Option<Vec<u8>>,
+ /// CLTV expiry of the received HTLC.
/// Used to track when we should expire pending HTLCs that go unclaimed.
incoming_cltv_expiry: u32,
- /// Optional shared secret for phantom node.
+ /// Shared secret derived using a phantom node secret key. If this field is Some, the
+ /// payment was sent to a phantom node (one hop beyond the current node), but can be
+ /// settled by this node.
phantom_shared_secret: Option<[u8; 32]>,
/// See [`RecipientOnionFields::custom_tlvs`] for more info.
custom_tlvs: Vec<(u64, Vec<u8>)>,
ReceiveKeysend {
/// This was added in 0.0.116 and will break deserialization on downgrades.
payment_data: Option<msgs::FinalOnionHopData>,
- /// Preimage for this onion payment.
+ /// Preimage for this onion payment. This preimage is provided by the sender and will be
+ /// used to settle the spontaneous payment.
payment_preimage: PaymentPreimage,
/// See [`RecipientOnionFields::payment_metadata`] for more info.
payment_metadata: Option<Vec<u8>>,
- /// CLTV expiry of the incoming HTLC.
- incoming_cltv_expiry: u32, // Used to track when we should expire pending HTLCs that go unclaimed
+ /// CLTV expiry of the received HTLC.
+ /// Used to track when we should expire pending HTLCs that go unclaimed.
+ incoming_cltv_expiry: u32,
/// See [`RecipientOnionFields::custom_tlvs`] for more info.
custom_tlvs: Vec<(u64, Vec<u8>)>,
},
}
+/// Information used to forward or fail this HTLC that is being forwarded within a blinded path.
+#[derive(Clone, Copy, Hash, PartialEq, Eq)]
+pub struct BlindedForward {
+ /// The `blinding_point` that was set in the inbound [`msgs::UpdateAddHTLC`], or in the inbound
+ /// onion payload if we're the introduction node. Useful for calculating the next hop's
+ /// [`msgs::UpdateAddHTLC::blinding_point`].
+ pub inbound_blinding_point: PublicKey,
+ // Another field will be added here when we support forwarding as a non-intro node.
+}
+
+impl PendingHTLCRouting {
+ // Used to override the onion failure code and data if the HTLC is blinded.
+ fn blinded_failure(&self) -> Option<BlindedFailure> {
+ // TODO: needs update when we support receiving to multi-hop blinded paths
+ if let Self::Forward { blinded: Some(_), .. } = self {
+ Some(BlindedFailure::FromIntroductionNode)
+ } else {
+ None
+ }
+ }
+}
+
/// Full details of an incoming HTLC, including routing info.
#[derive(Clone)] // See Channel::revoke_and_ack for why, tl;dr: Rust bug
pub struct PendingHTLCInfo {
/// Further routing details based on whether the HTLC is being forwarded or received.
pub routing: PendingHTLCRouting,
/// Shared secret from the previous hop.
+ /// Used encrypt failure packets in the event that the HTLC needs to be failed backwards.
pub incoming_shared_secret: [u8; 32],
- payment_hash: PaymentHash,
- /// Amount received
+ /// Hash of the payment preimage, to lock the payment until the receiver releases the preimage.
+ pub payment_hash: PaymentHash,
+ /// Amount offered by this HTLC.
pub incoming_amt_msat: Option<u64>, // Added in 0.0.113
/// Sender intended amount to forward or receive (actual amount received
/// may overshoot this in either case)
pub outgoing_amt_msat: u64,
- /// Outgoing CLTV height.
+ /// Outgoing timelock expiration blockheight.
pub outgoing_cltv_value: u32,
/// The fee being skimmed off the top of this HTLC. If this is a forward, it'll be the fee we are
/// skimming. If we're receiving this HTLC, it's the fee that our counterparty skimmed.
},
}
+// Used for failing blinded HTLCs backwards correctly.
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+enum BlindedFailure {
+ FromIntroductionNode,
+ // Another variant will be added here for non-intro nodes.
+}
+
/// Tracks the inbound corresponding to an outbound HTLC
#[derive(Clone, Debug, Hash, PartialEq, Eq)]
pub(crate) struct HTLCPreviousHopData {
htlc_id: u64,
incoming_packet_shared_secret: [u8; 32],
phantom_shared_secret: Option<[u8; 32]>,
+ blinded_failure: Option<BlindedFailure>,
// This field is consumed by `claim_funds_from_hop()` when updating a force-closed backwards
// channel with a preimage provided by the forward channel.
user_channel_id: val.prev_hop.user_channel_id.unwrap_or(0),
cltv_expiry: val.cltv_expiry,
value_msat: val.value,
+ counterparty_skimmed_fee_msat: val.counterparty_skimmed_fee_msat.unwrap_or(0),
}
}
}
/// Uniquely describes an HTLC by its source. Just the guaranteed-unique subset of [`HTLCSource`].
pub(crate) enum SentHTLCId {
PreviousHopData { short_channel_id: u64, htlc_id: u64 },
- OutboundRoute { session_priv: SecretKey },
+ OutboundRoute { session_priv: [u8; SECRET_KEY_SIZE] },
}
impl SentHTLCId {
pub(crate) fn from_source(source: &HTLCSource) -> Self {
htlc_id: hop_data.htlc_id,
},
HTLCSource::OutboundRoute { session_priv, .. } =>
- Self::OutboundRoute { session_priv: *session_priv },
+ Self::OutboundRoute { session_priv: session_priv.secret_bytes() },
}
}
}
}
}
-/// Invalid inbound onion payment.
-pub struct InboundOnionErr {
- err_code: u16,
- err_data: Vec<u8>,
- msg: &'static str,
-}
-
/// This enum is used to specify which error data to send to peers when failing back an HTLC
/// using [`ChannelManager::fail_htlc_backwards_with_reason`].
///
/// A type implementing [`WriteableEcdsaChannelSigner`].
type Signer: WriteableEcdsaChannelSigner + Sized;
/// A type implementing [`SignerProvider`] for [`Self::Signer`].
- type SignerProvider: SignerProvider<Signer = Self::Signer> + ?Sized;
+ type SignerProvider: SignerProvider<EcdsaSigner= Self::Signer> + ?Sized;
/// A type that may be dereferenced to [`Self::SignerProvider`].
type SP: Deref<Target = Self::SignerProvider>;
/// A type implementing [`FeeEstimator`].
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> AChannelManager
for ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
type ES = ES;
type NodeSigner = NS::Target;
type NS = NS;
- type Signer = <SP::Target as SignerProvider>::Signer;
+ type Signer = <SP::Target as SignerProvider>::EcdsaSigner;
type SignerProvider = SP::Target;
type SP = SP;
type FeeEstimator = F::Target;
//
pub struct ChannelManager<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
/// connection is available, the outbound `open_channel` message may fail to send, resulting in
/// the channel eventually being silently forgotten (dropped on reload).
///
+ /// If `temporary_channel_id` is specified, it will be used as the temporary channel ID of the
+ /// channel. Otherwise, a random one will be generated for you.
+ ///
/// Returns the new Channel's temporary `channel_id`. This ID will appear as
/// [`Event::FundingGenerationReady::temporary_channel_id`] and in
/// [`ChannelDetails::channel_id`] until after
/// [`Event::FundingGenerationReady::user_channel_id`]: events::Event::FundingGenerationReady::user_channel_id
/// [`Event::FundingGenerationReady::temporary_channel_id`]: events::Event::FundingGenerationReady::temporary_channel_id
/// [`Event::ChannelClosed::channel_id`]: events::Event::ChannelClosed::channel_id
- pub fn create_channel(&self, their_network_key: PublicKey, channel_value_satoshis: u64, push_msat: u64, user_channel_id: u128, override_config: Option<UserConfig>) -> Result<ChannelId, APIError> {
+ pub fn create_channel(&self, their_network_key: PublicKey, channel_value_satoshis: u64, push_msat: u64, user_channel_id: u128, temporary_channel_id: Option<ChannelId>, override_config: Option<UserConfig>) -> Result<ChannelId, APIError> {
if channel_value_satoshis < 1000 {
return Err(APIError::APIMisuseError { err: format!("Channel value must be at least 1000 satoshis. It was {}", channel_value_satoshis) });
}
.ok_or_else(|| APIError::APIMisuseError{ err: format!("Not connected to node: {}", their_network_key) })?;
let mut peer_state = peer_state_mutex.lock().unwrap();
+
+ if let Some(temporary_channel_id) = temporary_channel_id {
+ if peer_state.channel_by_id.contains_key(&temporary_channel_id) {
+ return Err(APIError::APIMisuseError{ err: format!("Channel with temporary channel ID {} already exists!", temporary_channel_id)});
+ }
+ }
+
let channel = {
let outbound_scid_alias = self.create_and_insert_outbound_scid_alias();
let their_features = &peer_state.latest_features;
let config = if override_config.is_some() { override_config.as_ref().unwrap() } else { &self.default_configuration };
match OutboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider, their_network_key,
their_features, channel_value_satoshis, push_msat, user_channel_id, config,
- self.best_block.read().unwrap().height(), outbound_scid_alias)
+ self.best_block.read().unwrap().height(), outbound_scid_alias, temporary_channel_id)
{
Ok(res) => res,
Err(e) => {
msg, &self.node_signer, &self.logger, &self.secp_ctx
)?;
+ let is_blinded = match next_hop {
+ onion_utils::Hop::Forward {
+ next_hop_data: msgs::InboundOnionPayload::BlindedForward { .. }, ..
+ } => true,
+ _ => false, // TODO: update this when we support receiving to multi-hop blinded paths
+ };
+
macro_rules! return_err {
($msg: expr, $err_code: expr, $data: expr) => {
{
log_info!(self.logger, "Failed to accept/forward incoming HTLC: {}", $msg);
+ let (err_code, err_data) = if is_blinded {
+ (INVALID_ONION_BLINDING, &[0; 32][..])
+ } else { ($err_code, $data) };
return Err(HTLCFailureMsg::Relay(msgs::UpdateFailHTLC {
channel_id: msg.channel_id,
htlc_id: msg.htlc_id,
- reason: HTLCFailReason::reason($err_code, $data.to_vec())
+ reason: HTLCFailReason::reason(err_code, err_data.to_vec())
.get_encrypted_failure_packet(&shared_secret, &None),
}));
}
let prng_seed = self.entropy_source.get_secure_random_bytes();
let session_priv = SecretKey::from_slice(&session_priv_bytes[..]).expect("RNG is busted");
- let onion_keys = onion_utils::construct_onion_keys(&self.secp_ctx, &path, &session_priv)
- .map_err(|_| APIError::InvalidRoute{err: "Pubkey along hop was maliciously selected".to_owned()})?;
- let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(path, total_value, recipient_onion, cur_height, keysend_preimage)?;
-
- let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, prng_seed, payment_hash)
- .map_err(|_| APIError::InvalidRoute { err: "Route size too large considering onion data".to_owned()})?;
+ let (onion_packet, htlc_msat, htlc_cltv) = onion_utils::create_payment_onion(
+ &self.secp_ctx, &path, &session_priv, total_value, recipient_onion, cur_height,
+ payment_hash, keysend_preimage, prng_seed
+ )?;
let err: Result<(), _> = loop {
let (counterparty_node_id, id) = match self.short_to_chan_info.read().unwrap().get(&path.hops.first().unwrap().short_channel_id) {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- let (chan, msg) = match peer_state.channel_by_id.remove(temporary_channel_id) {
+ let (chan, msg_opt) = match peer_state.channel_by_id.remove(temporary_channel_id) {
Some(ChannelPhase::UnfundedOutboundV1(chan)) => {
let funding_txo = find_funding_output(&chan, &funding_transaction)?;
}),
};
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendFundingCreated {
- node_id: chan.context.get_counterparty_node_id(),
- msg,
- });
+ if let Some(msg) = msg_opt {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendFundingCreated {
+ node_id: chan.context.get_counterparty_node_id(),
+ msg,
+ });
+ }
match peer_state.channel_by_id.entry(chan.context.channel_id()) {
hash_map::Entry::Occupied(_) => {
panic!("Generated duplicate funding txid?");
// lower than the next block height. However, the modules constituting our Lightning
// node might not have perfect sync about their blockchain views. Thus, if the wallet
// module is ahead of LDK, only allow one more block of headroom.
- if !funding_transaction.input.iter().all(|input| input.sequence == Sequence::MAX) && LockTime::from(funding_transaction.lock_time).is_block_height() && funding_transaction.lock_time.0 > height + 1 {
+ if !funding_transaction.input.iter().all(|input| input.sequence == Sequence::MAX) &&
+ funding_transaction.lock_time.is_block_height() &&
+ funding_transaction.lock_time.to_consensus_u32() > height + 1
+ {
result = result.and(Err(APIError::APIMisuseError {
err: "Funding transaction absolute timelock is non-final".to_owned()
}));
err: format!("Channel with id {} for the passed counterparty node_id {} is still opening.",
next_hop_channel_id, next_node_id)
}),
- None => return Err(APIError::ChannelUnavailable {
- err: format!("Channel with id {} not found for the passed counterparty node_id {}",
- next_hop_channel_id, next_node_id)
- })
+ None => {
+ let error = format!("Channel with id {} not found for the passed counterparty node_id {}",
+ next_hop_channel_id, next_node_id);
+ log_error!(self.logger, "{} when attempting to forward intercepted HTLC", error);
+ return Err(APIError::ChannelUnavailable {
+ err: error
+ })
+ }
}
};
})?;
let routing = match payment.forward_info.routing {
- PendingHTLCRouting::Forward { onion_packet, .. } => {
- PendingHTLCRouting::Forward { onion_packet, short_channel_id: next_hop_scid }
+ PendingHTLCRouting::Forward { onion_packet, blinded, .. } => {
+ PendingHTLCRouting::Forward {
+ onion_packet, blinded, short_channel_id: next_hop_scid
+ }
},
_ => unreachable!() // Only `PendingHTLCRouting::Forward`s are intercepted
};
htlc_id: payment.prev_htlc_id,
incoming_packet_shared_secret: payment.forward_info.incoming_shared_secret,
phantom_shared_secret: None,
+ blinded_failure: payment.forward_info.routing.blinded_failure(),
});
let failure_reason = HTLCFailReason::from_failure_code(0x4000 | 10);
htlc_id: prev_htlc_id,
incoming_packet_shared_secret: incoming_shared_secret,
phantom_shared_secret: $phantom_ss,
+ blinded_failure: routing.blinded_failure(),
});
let reason = if $next_hop_unknown {
}
}
}
- if let PendingHTLCRouting::Forward { onion_packet, .. } = routing {
+ if let PendingHTLCRouting::Forward { ref onion_packet, .. } = routing {
let phantom_pubkey_res = self.node_signer.get_node_id(Recipient::PhantomNode);
if phantom_pubkey_res.is_ok() && fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, short_chan_id, &self.chain_hash) {
let phantom_shared_secret = self.node_signer.ecdh(Recipient::PhantomNode, &onion_packet.public_key.unwrap(), None).unwrap().secret_bytes();
) {
Ok(res) => res,
Err(onion_utils::OnionDecodeErr::Malformed { err_msg, err_code }) => {
- let sha256_of_onion = Sha256::hash(&onion_packet.hop_data).into_inner();
+ let sha256_of_onion = Sha256::hash(&onion_packet.hop_data).to_byte_array();
// In this scenario, the phantom would have sent us an
// `update_fail_malformed_htlc`, meaning here we encrypt the error as
// if it came from us (the second-to-last hop) but contains the sha256
prev_short_channel_id, prev_htlc_id, prev_funding_outpoint, prev_user_channel_id,
forward_info: PendingHTLCInfo {
incoming_shared_secret, payment_hash, outgoing_amt_msat, outgoing_cltv_value,
- routing: PendingHTLCRouting::Forward { onion_packet, .. }, skimmed_fee_msat, ..
+ routing: PendingHTLCRouting::Forward {
+ onion_packet, blinded, ..
+ }, skimmed_fee_msat, ..
},
}) => {
log_trace!(self.logger, "Adding HTLC from short id {} with payment_hash {} to channel with short id {} after delay", prev_short_channel_id, &payment_hash, short_chan_id);
incoming_packet_shared_secret: incoming_shared_secret,
// Phantom payments are only PendingHTLCRouting::Receive.
phantom_shared_secret: None,
+ blinded_failure: blinded.map(|_| BlindedFailure::FromIntroductionNode),
+ });
+ let next_blinding_point = blinded.and_then(|b| {
+ let encrypted_tlvs_ss = self.node_signer.ecdh(
+ Recipient::Node, &b.inbound_blinding_point, None
+ ).unwrap().secret_bytes();
+ onion_utils::next_hop_pubkey(
+ &self.secp_ctx, b.inbound_blinding_point, &encrypted_tlvs_ss
+ ).ok()
});
if let Err(e) = chan.queue_add_htlc(outgoing_amt_msat,
payment_hash, outgoing_cltv_value, htlc_source.clone(),
- onion_packet, skimmed_fee_msat, &self.fee_estimator,
+ onion_packet, skimmed_fee_msat, next_blinding_point, &self.fee_estimator,
&self.logger)
{
if let ChannelError::Ignore(msg) = e {
skimmed_fee_msat, ..
}
}) => {
+ let blinded_failure = routing.blinded_failure();
let (cltv_expiry, onion_payload, payment_data, phantom_shared_secret, mut onion_fields) = match routing {
PendingHTLCRouting::Receive { payment_data, payment_metadata, incoming_cltv_expiry, phantom_shared_secret, custom_tlvs } => {
let _legacy_hop_data = Some(payment_data.clone());
htlc_id: prev_htlc_id,
incoming_packet_shared_secret: incoming_shared_secret,
phantom_shared_secret,
+ blinded_failure,
},
// We differentiate the received value from the sender intended value
// if possible so that we don't prematurely mark MPP payments complete
htlc_id: $htlc.prev_hop.htlc_id,
incoming_packet_shared_secret: $htlc.prev_hop.incoming_packet_shared_secret,
phantom_shared_secret,
+ blinded_failure: None,
}), payment_hash,
HTLCFailReason::reason(0x4000 | 15, htlc_msat_height_data),
HTLCDestination::FailedPayment { payment_hash: $payment_hash },
&self.pending_events, &self.logger)
{ self.push_pending_forwards_ev(); }
},
- HTLCSource::PreviousHopData(HTLCPreviousHopData { ref short_channel_id, ref htlc_id, ref incoming_packet_shared_secret, ref phantom_shared_secret, ref outpoint, .. }) => {
- log_trace!(self.logger, "Failing HTLC with payment_hash {} backwards from us with {:?}", &payment_hash, onion_error);
- let err_packet = onion_error.get_encrypted_failure_packet(incoming_packet_shared_secret, phantom_shared_secret);
+ HTLCSource::PreviousHopData(HTLCPreviousHopData {
+ ref short_channel_id, ref htlc_id, ref incoming_packet_shared_secret,
+ ref phantom_shared_secret, ref outpoint, ref blinded_failure, ..
+ }) => {
+ log_trace!(self.logger, "Failing {}HTLC with payment_hash {} backwards from us: {:?}",
+ if blinded_failure.is_some() { "blinded " } else { "" }, &payment_hash, onion_error);
+ let err_packet = match blinded_failure {
+ Some(BlindedFailure::FromIntroductionNode) => {
+ let blinded_onion_error = HTLCFailReason::reason(INVALID_ONION_BLINDING, vec![0; 32]);
+ blinded_onion_error.get_encrypted_failure_packet(
+ incoming_packet_shared_secret, phantom_shared_secret
+ )
+ },
+ None => {
+ onion_error.get_encrypted_failure_packet(incoming_packet_shared_secret, phantom_shared_secret)
+ }
+ };
let mut push_forward_ev = false;
let mut forward_htlcs = self.forward_htlcs.lock().unwrap();
}
fn claim_payment_internal(&self, payment_preimage: PaymentPreimage, custom_tlvs_known: bool) {
- let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).into_inner());
+ let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0).to_byte_array());
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- let (chan, funding_msg, monitor) =
+ let (chan, funding_msg_opt, monitor) =
match peer_state.channel_by_id.remove(&msg.temporary_channel_id) {
Some(ChannelPhase::UnfundedInboundV1(inbound_chan)) => {
match inbound_chan.funding_created(msg, best_block, &self.signer_provider, &self.logger) {
None => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id))
};
- match peer_state.channel_by_id.entry(funding_msg.channel_id) {
+ match peer_state.channel_by_id.entry(chan.context.channel_id()) {
hash_map::Entry::Occupied(_) => {
- Err(MsgHandleErrInternal::send_err_msg_no_close("Already had channel with the new channel_id".to_owned(), funding_msg.channel_id))
+ Err(MsgHandleErrInternal::send_err_msg_no_close(
+ "Already had channel with the new channel_id".to_owned(),
+ chan.context.channel_id()
+ ))
},
hash_map::Entry::Vacant(e) => {
let mut id_to_peer_lock = self.id_to_peer.lock().unwrap();
hash_map::Entry::Occupied(_) => {
return Err(MsgHandleErrInternal::send_err_msg_no_close(
"The funding_created message had the same funding_txid as an existing channel - funding is not possible".to_owned(),
- funding_msg.channel_id))
+ chan.context.channel_id()))
},
hash_map::Entry::Vacant(i_e) => {
let monitor_res = self.chain_monitor.watch_channel(monitor.get_funding_txo().0, monitor);
// hasn't persisted to disk yet - we can't lose money on a transaction that we haven't
// accepted payment from yet. We do, however, need to wait to send our channel_ready
// until we have persisted our monitor.
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendFundingSigned {
- node_id: counterparty_node_id.clone(),
- msg: funding_msg,
- });
+ if let Some(msg) = funding_msg_opt {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendFundingSigned {
+ node_id: counterparty_node_id.clone(),
+ msg,
+ });
+ }
if let ChannelPhase::Funded(chan) = e.insert(ChannelPhase::Funded(chan)) {
handle_new_monitor_update!(self, persist_state, peer_state_lock, peer_state,
Ok(())
} else {
log_error!(self.logger, "Persisting initial ChannelMonitor failed, implying the funding outpoint was duplicated");
+ let channel_id = match funding_msg_opt {
+ Some(msg) => msg.channel_id,
+ None => chan.context.channel_id(),
+ };
return Err(MsgHandleErrInternal::send_err_msg_no_close(
"The funding_created message had the same funding_txid as an existing channel - funding is not possible".to_owned(),
- funding_msg.channel_id));
+ channel_id));
}
}
}
// but if we've sent a shutdown and they haven't acknowledged it yet, we just
// want to reject the new HTLC and fail it backwards instead of forwarding.
match pending_forward_info {
- PendingHTLCStatus::Forward(PendingHTLCInfo { ref incoming_shared_secret, .. }) => {
- let reason = if (error_code & 0x1000) != 0 {
+ PendingHTLCStatus::Forward(PendingHTLCInfo {
+ ref incoming_shared_secret, ref routing, ..
+ }) => {
+ let reason = if routing.blinded_failure().is_some() {
+ HTLCFailReason::reason(INVALID_ONION_BLINDING, vec![0; 32])
+ } else if (error_code & 0x1000) != 0 {
let (real_code, error_data) = self.get_htlc_inbound_temp_fail_err_and_data(error_code, chan);
HTLCFailReason::reason(real_code, error_data)
} else {
if !is_our_scid && forward_info.incoming_amt_msat.is_some() &&
fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, scid, &self.chain_hash)
{
- let intercept_id = InterceptId(Sha256::hash(&forward_info.incoming_shared_secret).into_inner());
+ let intercept_id = InterceptId(Sha256::hash(&forward_info.incoming_shared_secret).to_byte_array());
let mut pending_intercepts = self.pending_intercepted_htlcs.lock().unwrap();
match pending_intercepts.entry(intercept_id) {
hash_map::Entry::Vacant(entry) => {
htlc_id: prev_htlc_id,
incoming_packet_shared_secret: forward_info.incoming_shared_secret,
phantom_shared_secret: None,
+ blinded_failure: forward_info.routing.blinded_failure(),
});
failed_intercept_forwards.push((htlc_source, forward_info.payment_hash,
has_update
}
+ /// When a call to a [`ChannelSigner`] method returns an error, this indicates that the signer
+ /// is (temporarily) unavailable, and the operation should be retried later.
+ ///
+ /// This method allows for that retry - either checking for any signer-pending messages to be
+ /// attempted in every channel, or in the specifically provided channel.
+ ///
+ /// [`ChannelSigner`]: crate::sign::ChannelSigner
+ #[cfg(test)] // This is only implemented for one signer method, and should be private until we
+ // actually finish implementing it fully.
+ pub fn signer_unblocked(&self, channel_opt: Option<(PublicKey, ChannelId)>) {
+ let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
+
+ let unblock_chan = |phase: &mut ChannelPhase<SP>, pending_msg_events: &mut Vec<MessageSendEvent>| {
+ let node_id = phase.context().get_counterparty_node_id();
+ if let ChannelPhase::Funded(chan) = phase {
+ let msgs = chan.signer_maybe_unblocked(&self.logger);
+ if let Some(updates) = msgs.commitment_update {
+ pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
+ node_id,
+ updates,
+ });
+ }
+ if let Some(msg) = msgs.funding_signed {
+ pending_msg_events.push(events::MessageSendEvent::SendFundingSigned {
+ node_id,
+ msg,
+ });
+ }
+ if let Some(msg) = msgs.funding_created {
+ pending_msg_events.push(events::MessageSendEvent::SendFundingCreated {
+ node_id,
+ msg,
+ });
+ }
+ if let Some(msg) = msgs.channel_ready {
+ send_channel_ready!(self, pending_msg_events, chan, msg);
+ }
+ }
+ };
+
+ let per_peer_state = self.per_peer_state.read().unwrap();
+ if let Some((counterparty_node_id, channel_id)) = channel_opt {
+ if let Some(peer_state_mutex) = per_peer_state.get(&counterparty_node_id) {
+ let mut peer_state_lock = peer_state_mutex.lock().unwrap();
+ let peer_state = &mut *peer_state_lock;
+ if let Some(chan) = peer_state.channel_by_id.get_mut(&channel_id) {
+ unblock_chan(chan, &mut peer_state.pending_msg_events);
+ }
+ }
+ } else {
+ for (_cp_id, peer_state_mutex) in per_peer_state.iter() {
+ let mut peer_state_lock = peer_state_mutex.lock().unwrap();
+ let peer_state = &mut *peer_state_lock;
+ for (_, chan) in peer_state.channel_by_id.iter_mut() {
+ unblock_chan(chan, &mut peer_state.pending_msg_events);
+ }
+ }
+ }
+ }
+
/// Check whether any channels have finished removing all pending updates after a shutdown
/// exchange and can now send a closing_signed.
/// Returns whether any closing_signed messages were generated.
}
}
-fn create_fwd_pending_htlc_info(
- msg: &msgs::UpdateAddHTLC, hop_data: msgs::InboundOnionPayload, hop_hmac: [u8; 32],
- new_packet_bytes: [u8; onion_utils::ONION_DATA_LEN], shared_secret: [u8; 32],
- next_packet_pubkey_opt: Option<Result<PublicKey, secp256k1::Error>>
-) -> Result<PendingHTLCInfo, InboundOnionErr> {
- debug_assert!(next_packet_pubkey_opt.is_some());
- let outgoing_packet = msgs::OnionPacket {
- version: 0,
- public_key: next_packet_pubkey_opt.unwrap_or(Err(secp256k1::Error::InvalidPublicKey)),
- hop_data: new_packet_bytes,
- hmac: hop_hmac,
- };
-
- let (short_channel_id, amt_to_forward, outgoing_cltv_value) = match hop_data {
- msgs::InboundOnionPayload::Forward { short_channel_id, amt_to_forward, outgoing_cltv_value } =>
- (short_channel_id, amt_to_forward, outgoing_cltv_value),
- msgs::InboundOnionPayload::Receive { .. } | msgs::InboundOnionPayload::BlindedReceive { .. } =>
- return Err(InboundOnionErr {
- msg: "Final Node OnionHopData provided for us as an intermediary node",
- err_code: 0x4000 | 22,
- err_data: Vec::new(),
- }),
- };
-
- Ok(PendingHTLCInfo {
- routing: PendingHTLCRouting::Forward {
- onion_packet: outgoing_packet,
- short_channel_id,
- },
- payment_hash: msg.payment_hash,
- incoming_shared_secret: shared_secret,
- incoming_amt_msat: Some(msg.amount_msat),
- outgoing_amt_msat: amt_to_forward,
- outgoing_cltv_value,
- skimmed_fee_msat: None,
- })
-}
-
-fn create_recv_pending_htlc_info(
- hop_data: msgs::InboundOnionPayload, shared_secret: [u8; 32], payment_hash: PaymentHash,
- amt_msat: u64, cltv_expiry: u32, phantom_shared_secret: Option<[u8; 32]>, allow_underpay: bool,
- counterparty_skimmed_fee_msat: Option<u64>, current_height: u32, accept_mpp_keysend: bool,
-) -> Result<PendingHTLCInfo, InboundOnionErr> {
- let (payment_data, keysend_preimage, custom_tlvs, onion_amt_msat, outgoing_cltv_value, payment_metadata) = match hop_data {
- msgs::InboundOnionPayload::Receive {
- payment_data, keysend_preimage, custom_tlvs, amt_msat, outgoing_cltv_value, payment_metadata, ..
- } =>
- (payment_data, keysend_preimage, custom_tlvs, amt_msat, outgoing_cltv_value, payment_metadata),
- msgs::InboundOnionPayload::BlindedReceive {
- amt_msat, total_msat, outgoing_cltv_value, payment_secret, ..
- } => {
- let payment_data = msgs::FinalOnionHopData { payment_secret, total_msat };
- (Some(payment_data), None, Vec::new(), amt_msat, outgoing_cltv_value, None)
- }
- msgs::InboundOnionPayload::Forward { .. } => {
- return Err(InboundOnionErr {
- err_code: 0x4000|22,
- err_data: Vec::new(),
- msg: "Got non final data with an HMAC of 0",
- })
- },
- };
- // final_incorrect_cltv_expiry
- if outgoing_cltv_value > cltv_expiry {
- return Err(InboundOnionErr {
- msg: "Upstream node set CLTV to less than the CLTV set by the sender",
- err_code: 18,
- err_data: cltv_expiry.to_be_bytes().to_vec()
- })
- }
- // final_expiry_too_soon
- // We have to have some headroom to broadcast on chain if we have the preimage, so make sure
- // we have at least HTLC_FAIL_BACK_BUFFER blocks to go.
- //
- // Also, ensure that, in the case of an unknown preimage for the received payment hash, our
- // payment logic has enough time to fail the HTLC backward before our onchain logic triggers a
- // channel closure (see HTLC_FAIL_BACK_BUFFER rationale).
- if cltv_expiry <= current_height + HTLC_FAIL_BACK_BUFFER + 1 {
- let mut err_data = Vec::with_capacity(12);
- err_data.extend_from_slice(&amt_msat.to_be_bytes());
- err_data.extend_from_slice(¤t_height.to_be_bytes());
- return Err(InboundOnionErr {
- err_code: 0x4000 | 15, err_data,
- msg: "The final CLTV expiry is too soon to handle",
- });
- }
- if (!allow_underpay && onion_amt_msat > amt_msat) ||
- (allow_underpay && onion_amt_msat >
- amt_msat.saturating_add(counterparty_skimmed_fee_msat.unwrap_or(0)))
- {
- return Err(InboundOnionErr {
- err_code: 19,
- err_data: amt_msat.to_be_bytes().to_vec(),
- msg: "Upstream node sent less than we were supposed to receive in payment",
- });
- }
-
- let routing = if let Some(payment_preimage) = keysend_preimage {
- // We need to check that the sender knows the keysend preimage before processing this
- // payment further. Otherwise, an intermediary routing hop forwarding non-keysend-HTLC X
- // could discover the final destination of X, by probing the adjacent nodes on the route
- // with a keysend payment of identical payment hash to X and observing the processing
- // time discrepancies due to a hash collision with X.
- let hashed_preimage = PaymentHash(Sha256::hash(&payment_preimage.0).into_inner());
- if hashed_preimage != payment_hash {
- return Err(InboundOnionErr {
- err_code: 0x4000|22,
- err_data: Vec::new(),
- msg: "Payment preimage didn't match payment hash",
- });
- }
- if !accept_mpp_keysend && payment_data.is_some() {
- return Err(InboundOnionErr {
- err_code: 0x4000|22,
- err_data: Vec::new(),
- msg: "We don't support MPP keysend payments",
- });
- }
- PendingHTLCRouting::ReceiveKeysend {
- payment_data,
- payment_preimage,
- payment_metadata,
- incoming_cltv_expiry: outgoing_cltv_value,
- custom_tlvs,
- }
- } else if let Some(data) = payment_data {
- PendingHTLCRouting::Receive {
- payment_data: data,
- payment_metadata,
- incoming_cltv_expiry: outgoing_cltv_value,
- phantom_shared_secret,
- custom_tlvs,
- }
- } else {
- return Err(InboundOnionErr {
- err_code: 0x4000|0x2000|3,
- err_data: Vec::new(),
- msg: "We require payment_secrets",
- });
- };
- Ok(PendingHTLCInfo {
- routing,
- payment_hash,
- incoming_shared_secret: shared_secret,
- incoming_amt_msat: Some(amt_msat),
- outgoing_amt_msat: onion_amt_msat,
- outgoing_cltv_value,
- skimmed_fee_msat: counterparty_skimmed_fee_msat,
- })
-}
-
-/// Peel one layer off an incoming onion, returning [`PendingHTLCInfo`] (either Forward or Receive).
-/// This does all the relevant context-free checks that LDK requires for payment relay or
-/// acceptance. If the payment is to be received, and the amount matches the expected amount for
-/// a given invoice, this indicates the [`msgs::UpdateAddHTLC`], once fully committed in the
-/// channel, will generate an [`Event::PaymentClaimable`].
-pub fn peel_payment_onion<NS: Deref, L: Deref, T: secp256k1::Verification>(
- msg: &msgs::UpdateAddHTLC, node_signer: &NS, logger: &L, secp_ctx: &Secp256k1<T>,
- cur_height: u32, accept_mpp_keysend: bool,
-) -> Result<PendingHTLCInfo, InboundOnionErr>
-where
- NS::Target: NodeSigner,
- L::Target: Logger,
-{
- let (hop, shared_secret, next_packet_details_opt) =
- decode_incoming_update_add_htlc_onion(msg, node_signer, logger, secp_ctx
- ).map_err(|e| {
- let (err_code, err_data) = match e {
- HTLCFailureMsg::Malformed(m) => (m.failure_code, Vec::new()),
- HTLCFailureMsg::Relay(r) => (0x4000 | 22, r.reason.data),
- };
- let msg = "Failed to decode update add htlc onion";
- InboundOnionErr { msg, err_code, err_data }
- })?;
- Ok(match hop {
- onion_utils::Hop::Forward { next_hop_data, next_hop_hmac, new_packet_bytes } => {
- let NextPacketDetails {
- next_packet_pubkey, outgoing_amt_msat: _, outgoing_scid: _, outgoing_cltv_value
- } = match next_packet_details_opt {
- Some(next_packet_details) => next_packet_details,
- // Forward should always include the next hop details
- None => return Err(InboundOnionErr {
- msg: "Failed to decode update add htlc onion",
- err_code: 0x4000 | 22,
- err_data: Vec::new(),
- }),
- };
-
- if let Err((err_msg, code)) = check_incoming_htlc_cltv(
- cur_height, outgoing_cltv_value, msg.cltv_expiry
- ) {
- return Err(InboundOnionErr {
- msg: err_msg,
- err_code: code,
- err_data: Vec::new(),
- });
- }
- create_fwd_pending_htlc_info(
- msg, next_hop_data, next_hop_hmac, new_packet_bytes, shared_secret,
- Some(next_packet_pubkey)
- )?
- },
- onion_utils::Hop::Receive(received_data) => {
- create_recv_pending_htlc_info(
- received_data, shared_secret, msg.payment_hash, msg.amount_msat, msg.cltv_expiry,
- None, false, msg.skimmed_fee_msat, cur_height, accept_mpp_keysend,
- )?
- }
- })
-}
-
-struct NextPacketDetails {
- next_packet_pubkey: Result<PublicKey, secp256k1::Error>,
- outgoing_scid: u64,
- outgoing_amt_msat: u64,
- outgoing_cltv_value: u32,
-}
-
-fn decode_incoming_update_add_htlc_onion<NS: Deref, L: Deref, T: secp256k1::Verification>(
- msg: &msgs::UpdateAddHTLC, node_signer: &NS, logger: &L, secp_ctx: &Secp256k1<T>,
-) -> Result<(onion_utils::Hop, [u8; 32], Option<NextPacketDetails>), HTLCFailureMsg>
-where
- NS::Target: NodeSigner,
- L::Target: Logger,
-{
- macro_rules! return_malformed_err {
- ($msg: expr, $err_code: expr) => {
- {
- log_info!(logger, "Failed to accept/forward incoming HTLC: {}", $msg);
- return Err(HTLCFailureMsg::Malformed(msgs::UpdateFailMalformedHTLC {
- channel_id: msg.channel_id,
- htlc_id: msg.htlc_id,
- sha256_of_onion: Sha256::hash(&msg.onion_routing_packet.hop_data).into_inner(),
- failure_code: $err_code,
- }));
- }
- }
- }
-
- if let Err(_) = msg.onion_routing_packet.public_key {
- return_malformed_err!("invalid ephemeral pubkey", 0x8000 | 0x4000 | 6);
- }
-
- let shared_secret = node_signer.ecdh(
- Recipient::Node, &msg.onion_routing_packet.public_key.unwrap(), None
- ).unwrap().secret_bytes();
-
- if msg.onion_routing_packet.version != 0 {
- //TODO: Spec doesn't indicate if we should only hash hop_data here (and in other
- //sha256_of_onion error data packets), or the entire onion_routing_packet. Either way,
- //the hash doesn't really serve any purpose - in the case of hashing all data, the
- //receiving node would have to brute force to figure out which version was put in the
- //packet by the node that send us the message, in the case of hashing the hop_data, the
- //node knows the HMAC matched, so they already know what is there...
- return_malformed_err!("Unknown onion packet version", 0x8000 | 0x4000 | 4);
- }
- macro_rules! return_err {
- ($msg: expr, $err_code: expr, $data: expr) => {
- {
- log_info!(logger, "Failed to accept/forward incoming HTLC: {}", $msg);
- return Err(HTLCFailureMsg::Relay(msgs::UpdateFailHTLC {
- channel_id: msg.channel_id,
- htlc_id: msg.htlc_id,
- reason: HTLCFailReason::reason($err_code, $data.to_vec())
- .get_encrypted_failure_packet(&shared_secret, &None),
- }));
- }
- }
- }
-
- let next_hop = match onion_utils::decode_next_payment_hop(
- shared_secret, &msg.onion_routing_packet.hop_data[..], msg.onion_routing_packet.hmac,
- msg.payment_hash, node_signer
- ) {
- Ok(res) => res,
- Err(onion_utils::OnionDecodeErr::Malformed { err_msg, err_code }) => {
- return_malformed_err!(err_msg, err_code);
- },
- Err(onion_utils::OnionDecodeErr::Relay { err_msg, err_code }) => {
- return_err!(err_msg, err_code, &[0; 0]);
- },
- };
-
- let next_packet_details = match next_hop {
- onion_utils::Hop::Forward {
- next_hop_data: msgs::InboundOnionPayload::Forward {
- short_channel_id, amt_to_forward, outgoing_cltv_value
- }, ..
- } => {
- let next_packet_pubkey = onion_utils::next_hop_pubkey(secp_ctx,
- msg.onion_routing_packet.public_key.unwrap(), &shared_secret);
- NextPacketDetails {
- next_packet_pubkey, outgoing_scid: short_channel_id,
- outgoing_amt_msat: amt_to_forward, outgoing_cltv_value
- }
- },
- onion_utils::Hop::Receive { .. } => return Ok((next_hop, shared_secret, None)),
- onion_utils::Hop::Forward { next_hop_data: msgs::InboundOnionPayload::Receive { .. }, .. } |
- onion_utils::Hop::Forward { next_hop_data: msgs::InboundOnionPayload::BlindedReceive { .. }, .. } =>
- {
- return_err!("Final Node OnionHopData provided for us as an intermediary node", 0x4000 | 22, &[0; 0]);
- }
- };
-
- Ok((next_hop, shared_secret, Some(next_packet_details)))
-}
-
-fn check_incoming_htlc_cltv(
- cur_height: u32, outgoing_cltv_value: u32, cltv_expiry: u32
-) -> Result<(), (&'static str, u16)> {
- if (cltv_expiry as u64) < (outgoing_cltv_value) as u64 + MIN_CLTV_EXPIRY_DELTA as u64 {
- return Err((
- "Forwarding node has tampered with the intended HTLC values or origin node has an obsolete cltv_expiry_delta",
- 0x1000 | 13, // incorrect_cltv_expiry
- ));
- }
- // Theoretically, channel counterparty shouldn't send us a HTLC expiring now,
- // but we want to be robust wrt to counterparty packet sanitization (see
- // HTLC_FAIL_BACK_BUFFER rationale).
- if cltv_expiry <= cur_height + HTLC_FAIL_BACK_BUFFER as u32 { // expiry_too_soon
- return Err(("CLTV expiry is too close", 0x1000 | 14));
- }
- if cltv_expiry > cur_height + CLTV_FAR_FAR_AWAY as u32 { // expiry_too_far
- return Err(("CLTV expiry is too far in the future", 21));
- }
- // If the HTLC expires ~now, don't bother trying to forward it to our
- // counterparty. They should fail it anyway, but we don't want to bother with
- // the round-trips or risk them deciding they definitely want the HTLC and
- // force-closing to ensure they get it if we're offline.
- // We previously had a much more aggressive check here which tried to ensure
- // our counterparty receives an HTLC which has *our* risk threshold met on it,
- // but there is no need to do that, and since we're a bit conservative with our
- // risk threshold it just results in failing to forward payments.
- if (outgoing_cltv_value) as u64 <= (cur_height + LATENCY_GRACE_PERIOD_BLOCKS) as u64 {
- return Err(("Outgoing CLTV value is too soon", 0x1000 | 14));
- }
-
- Ok(())
-}
-
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> MessageSendEventsProvider for ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> EventsProvider for ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> chain::Listen for ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
R::Target: Router,
L::Target: Logger,
{
- fn filtered_block_connected(&self, header: &BlockHeader, txdata: &TransactionData, height: u32) {
+ fn filtered_block_connected(&self, header: &Header, txdata: &TransactionData, height: u32) {
{
let best_block = self.best_block.read().unwrap();
assert_eq!(best_block.block_hash(), header.prev_blockhash,
self.best_block_updated(header, height);
}
- fn block_disconnected(&self, header: &BlockHeader, height: u32) {
+ fn block_disconnected(&self, header: &Header, height: u32) {
let _persistence_guard =
PersistenceNotifierGuard::optionally_notify_skipping_background_events(
self, || -> NotifyOption { NotifyOption::DoPersist });
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> chain::Confirm for ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
R::Target: Router,
L::Target: Logger,
{
- fn transactions_confirmed(&self, header: &BlockHeader, txdata: &TransactionData, height: u32) {
+ fn transactions_confirmed(&self, header: &Header, txdata: &TransactionData, height: u32) {
// Note that we MUST NOT end up calling methods on self.chain_monitor here - we're called
// during initialization prior to the chain_monitor being fully configured in some cases.
// See the docs for `ChannelManagerReadArgs` for more.
}
}
- fn best_block_updated(&self, header: &BlockHeader, height: u32) {
+ fn best_block_updated(&self, header: &Header, height: u32) {
// Note that we MUST NOT end up calling methods on self.chain_monitor here - we're called
// during initialization prior to the chain_monitor being fully configured in some cases.
// See the docs for `ChannelManagerReadArgs` for more.
});
}
- fn get_relevant_txids(&self) -> Vec<(Txid, Option<BlockHash>)> {
+ fn get_relevant_txids(&self) -> Vec<(Txid, u32, Option<BlockHash>)> {
let mut res = Vec::with_capacity(self.short_to_chan_info.read().unwrap().len());
for (_cp_id, peer_state_mutex) in self.per_peer_state.read().unwrap().iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
for chan in peer_state.channel_by_id.values().filter_map(|phase| if let ChannelPhase::Funded(chan) = phase { Some(chan) } else { None }) {
- if let (Some(funding_txo), Some(block_hash)) = (chan.context.get_funding_txo(), chan.context.get_funding_tx_confirmed_in()) {
- res.push((funding_txo.txid, Some(block_hash)));
+ let txid_opt = chan.context.get_funding_txo();
+ let height_opt = chan.context.get_funding_tx_confirmation_height();
+ let hash_opt = chan.context.get_funding_tx_confirmed_in();
+ if let (Some(funding_txo), Some(conf_height), Some(block_hash)) = (txid_opt, height_opt, hash_opt) {
+ res.push((funding_txo.txid, conf_height, Some(block_hash)));
}
}
}
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
incoming_packet_shared_secret: htlc.forward_info.incoming_shared_secret,
phantom_shared_secret: None,
outpoint: htlc.prev_funding_outpoint,
+ blinded_failure: htlc.forward_info.routing.blinded_failure(),
});
let requested_forward_scid /* intercept scid */ = match htlc.forward_info.routing {
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref>
ChannelMessageHandler for ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
});
}
+ fn handle_stfu(&self, counterparty_node_id: &PublicKey, msg: &msgs::Stfu) {
+ let _: Result<(), _> = handle_error!(self, Err(MsgHandleErrInternal::send_err_msg_no_close(
+ "Quiescence not supported".to_owned(),
+ msg.channel_id.clone())), *counterparty_node_id);
+ }
+
+ fn handle_splice(&self, counterparty_node_id: &PublicKey, msg: &msgs::Splice) {
+ let _: Result<(), _> = handle_error!(self, Err(MsgHandleErrInternal::send_err_msg_no_close(
+ "Splicing not supported".to_owned(),
+ msg.channel_id.clone())), *counterparty_node_id);
+ }
+
+ fn handle_splice_ack(&self, counterparty_node_id: &PublicKey, msg: &msgs::SpliceAck) {
+ let _: Result<(), _> = handle_error!(self, Err(MsgHandleErrInternal::send_err_msg_no_close(
+ "Splicing not supported (splice_ack)".to_owned(),
+ msg.channel_id.clone())), *counterparty_node_id);
+ }
+
+ fn handle_splice_locked(&self, counterparty_node_id: &PublicKey, msg: &msgs::SpliceLocked) {
+ let _: Result<(), _> = handle_error!(self, Err(MsgHandleErrInternal::send_err_msg_no_close(
+ "Splicing not supported (splice_locked)".to_owned(),
+ msg.channel_id.clone())), *counterparty_node_id);
+ }
+
fn handle_shutdown(&self, counterparty_node_id: &PublicKey, msg: &msgs::Shutdown) {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
let _ = handle_error!(self, self.internal_shutdown(counterparty_node_id, msg), *counterparty_node_id);
// Common Channel Establishment
&events::MessageSendEvent::SendChannelReady { .. } => false,
&events::MessageSendEvent::SendAnnouncementSignatures { .. } => false,
+ // Quiescence
+ &events::MessageSendEvent::SendStfu { .. } => false,
+ // Splicing
+ &events::MessageSendEvent::SendSplice { .. } => false,
+ &events::MessageSendEvent::SendSpliceAck { .. } => false,
+ &events::MessageSendEvent::SendSpliceLocked { .. } => false,
// Interactive Transaction Construction
&events::MessageSendEvent::SendTxAddInput { .. } => false,
&events::MessageSendEvent::SendTxAddOutput { .. } => false,
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref>
OffersMessageHandler for ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
(6, real_node_pubkey, required),
});
+impl_writeable_tlv_based!(BlindedForward, {
+ (0, inbound_blinding_point, required),
+});
+
impl_writeable_tlv_based_enum!(PendingHTLCRouting,
(0, Forward) => {
(0, onion_packet, required),
+ (1, blinded, option),
(2, short_channel_id, required),
},
(1, Receive) => {
(1, Fail),
);
+impl_writeable_tlv_based_enum!(BlindedFailure,
+ (0, FromIntroductionNode) => {}, ;
+);
+
impl_writeable_tlv_based!(HTLCPreviousHopData, {
(0, short_channel_id, required),
(1, phantom_shared_secret, option),
(2, outpoint, required),
+ (3, blinded_failure, option),
(4, htlc_id, required),
(6, incoming_packet_shared_secret, required),
(7, user_channel_id, option),
impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> Writeable for ChannelManager<M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
/// [`ChainMonitor`]: crate::chain::chainmonitor::ChainMonitor
pub struct ChannelManagerReadArgs<'a, M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
/// this struct.
///
/// This is not exported to bindings users because we have no HashMap bindings
- pub channel_monitors: HashMap<OutPoint, &'a mut ChannelMonitor<<SP::Target as SignerProvider>::Signer>>,
+ pub channel_monitors: HashMap<OutPoint, &'a mut ChannelMonitor<<SP::Target as SignerProvider>::EcdsaSigner>>,
}
impl<'a, M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref>
ChannelManagerReadArgs<'a, M, T, ES, NS, SP, F, R, L>
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
/// HashMap for you. This is primarily useful for C bindings where it is not practical to
/// populate a HashMap directly from C.
pub fn new(entropy_source: ES, node_signer: NS, signer_provider: SP, fee_estimator: F, chain_monitor: M, tx_broadcaster: T, router: R, logger: L, default_config: UserConfig,
- mut channel_monitors: Vec<&'a mut ChannelMonitor<<SP::Target as SignerProvider>::Signer>>) -> Self {
+ mut channel_monitors: Vec<&'a mut ChannelMonitor<<SP::Target as SignerProvider>::EcdsaSigner>>) -> Self {
Self {
entropy_source, node_signer, signer_provider, fee_estimator, chain_monitor, tx_broadcaster, router, logger, default_config,
channel_monitors: channel_monitors.drain(..).map(|monitor| { (monitor.get_funding_txo().0, monitor) }).collect()
impl<'a, M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref>
ReadableArgs<ChannelManagerReadArgs<'a, M, T, ES, NS, SP, F, R, L>> for (BlockHash, Arc<ChannelManager<M, T, ES, NS, SP, F, R, L>>)
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
impl<'a, M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref>
ReadableArgs<ChannelManagerReadArgs<'a, M, T, ES, NS, SP, F, R, L>> for (BlockHash, ChannelManager<M, T, ES, NS, SP, F, R, L>)
where
- M::Target: chain::Watch<<SP::Target as SignerProvider>::Signer>,
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
use crate::ln::ChannelId;
use crate::ln::channelmanager::{create_recv_pending_htlc_info, inbound_payment, PaymentId, PaymentSendFailure, RecipientOnionFields, InterceptId};
- use crate::ln::features::{ChannelFeatures, NodeFeatures};
use crate::ln::functional_test_utils::*;
use crate::ln::msgs::{self, ErrorAction};
use crate::ln::msgs::ChannelMessageHandler;
- use crate::routing::router::{Path, PaymentParameters, RouteHop, RouteParameters, find_route};
+ use crate::routing::router::{PaymentParameters, RouteParameters, find_route};
use crate::util::errors::APIError;
use crate::util::test_utils;
use crate::util::config::{ChannelConfig, ChannelConfigUpdate};
let _chan = create_chan_between_nodes(&nodes[0], &nodes[1]);
let route_params = RouteParameters::from_payment_params_and_value(
PaymentParameters::for_keysend(payee_pubkey, 40, false), 10_000);
- let network_graph = nodes[0].network_graph.clone();
+ let network_graph = nodes[0].network_graph;
let first_hops = nodes[0].node.list_usable_channels();
let scorer = test_utils::TestScorer::new();
let random_seed_bytes = chanmon_cfgs[1].keys_manager.get_secure_random_bytes();
let _chan = create_chan_between_nodes(&nodes[0], &nodes[1]);
let route_params = RouteParameters::from_payment_params_and_value(
PaymentParameters::for_keysend(payee_pubkey, 40, false), 10_000);
- let network_graph = nodes[0].network_graph.clone();
+ let network_graph = nodes[0].network_graph;
let first_hops = nodes[0].node.list_usable_channels();
let scorer = test_utils::TestScorer::new();
let random_seed_bytes = chanmon_cfgs[1].keys_manager.get_secure_random_bytes();
let test_preimage = PaymentPreimage([42; 32]);
let test_secret = PaymentSecret([43; 32]);
- let payment_hash = PaymentHash(Sha256::hash(&test_preimage.0).into_inner());
+ let payment_hash = PaymentHash(Sha256::hash(&test_preimage.0).to_byte_array());
let session_privs = nodes[0].node.test_add_new_pending_payment(payment_hash,
RecipientOnionFields::secret_only(test_secret), PaymentId(payment_hash.0), &route).unwrap();
nodes[0].node.test_send_payment_internal(&route, payment_hash,
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
- nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 1_000_000, 500_000_000, 42, None).unwrap();
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 1_000_000, 500_000_000, 42, None, None).unwrap();
let open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), &open_channel);
let accept_channel = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id());
nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), &accept_channel);
let (temporary_channel_id, tx, _funding_output) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 1_000_000, 42);
- let channel_id = ChannelId::from_bytes(tx.txid().into_inner());
+ let channel_id = ChannelId::from_bytes(tx.txid().to_byte_array());
{
// Ensure that the `id_to_peer` map is empty until either party has received the
// funding transaction, and have the real `channel_id`.
let intercept_id = InterceptId([0; 32]);
// Test the API functions.
- check_not_connected_to_peer_error(nodes[0].node.create_channel(unkown_public_key, 1_000_000, 500_000_000, 42, None), unkown_public_key);
+ check_not_connected_to_peer_error(nodes[0].node.create_channel(unkown_public_key, 1_000_000, 500_000_000, 42, None, None), unkown_public_key);
check_unkown_peer_error(nodes[0].node.accept_inbound_channel(&channel_id, &unkown_public_key, 42), unkown_public_key);
// Note that create_network connects the nodes together for us
- nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None).unwrap();
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None, None).unwrap();
let mut open_channel_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
let mut funding_tx = None;
open_channel_msg.temporary_channel_id);
// Of course, however, outbound channels are always allowed
- nodes[1].node.create_channel(last_random_pk, 100_000, 0, 42, None).unwrap();
+ nodes[1].node.create_channel(last_random_pk, 100_000, 0, 42, None, None).unwrap();
get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, last_random_pk);
// If we fund the first channel, nodes[0] has a live on-chain channel with us, it is now
// Note that create_network connects the nodes together for us
- nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None).unwrap();
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None, None).unwrap();
let mut open_channel_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
for _ in 0..super::MAX_UNFUNDED_CHANS_PER_PEER {
open_channel_msg.temporary_channel_id);
// but we can still open an outbound channel.
- nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 100_000, 0, 42, None).unwrap();
+ nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 100_000, 0, 42, None, None).unwrap();
get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
// but even with such an outbound channel, additional inbound channels will still fail.
// Note that create_network connects the nodes together for us
- nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None).unwrap();
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None, None).unwrap();
let mut open_channel_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
// First, get us up to MAX_UNFUNDED_CHANNEL_PEERS so we can test at the edge
&[Some(anchors_cfg.clone()), Some(anchors_cfg.clone()), Some(anchors_manual_accept_cfg.clone())]);
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
- nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None).unwrap();
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 42, None, None).unwrap();
let open_channel_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), &open_channel_msg);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[Some(anchors_config.clone()), Some(anchors_config.clone())]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
- nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 0, None).unwrap();
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, 0, 0, None, None).unwrap();
let open_channel_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
assert!(open_channel_msg.channel_type.as_ref().unwrap().supports_anchors_zero_fee_htlc_tx());
check_spends!(txn[0], funding_tx);
}
}
-
- #[test]
- fn test_peel_payment_onion() {
- use super::*;
- let secp_ctx = Secp256k1::new();
-
- let bob = crate::sign::KeysManager::new(&[2; 32], 42, 42);
- let bob_pk = PublicKey::from_secret_key(&secp_ctx, &bob.get_node_secret_key());
- let charlie = crate::sign::KeysManager::new(&[3; 32], 42, 42);
- let charlie_pk = PublicKey::from_secret_key(&secp_ctx, &charlie.get_node_secret_key());
-
- let (session_priv, total_amt_msat, cur_height, recipient_onion, preimage, payment_hash,
- prng_seed, hops, recipient_amount, pay_secret) = payment_onion_args(bob_pk, charlie_pk);
-
- let path = Path {
- hops: hops,
- blinded_tail: None,
- };
-
- let (amount_msat, cltv_expiry, onion) = create_payment_onion(
- &secp_ctx, &path, &session_priv, total_amt_msat, recipient_onion, cur_height,
- payment_hash, Some(preimage), prng_seed
- ).unwrap();
-
- let msg = make_update_add_msg(amount_msat, cltv_expiry, payment_hash, onion);
- let logger = test_utils::TestLogger::with_id("bob".to_string());
-
- let peeled = peel_payment_onion(&msg, &&bob, &&logger, &secp_ctx, cur_height, true)
- .map_err(|e| e.msg).unwrap();
-
- let next_onion = match peeled.routing {
- PendingHTLCRouting::Forward { onion_packet, short_channel_id: _ } => {
- onion_packet
- },
- _ => panic!("expected a forwarded onion"),
- };
-
- let msg2 = make_update_add_msg(amount_msat, cltv_expiry, payment_hash, next_onion);
- let peeled2 = peel_payment_onion(&msg2, &&charlie, &&logger, &secp_ctx, cur_height, true)
- .map_err(|e| e.msg).unwrap();
-
- match peeled2.routing {
- PendingHTLCRouting::ReceiveKeysend { payment_preimage, payment_data, incoming_cltv_expiry, .. } => {
- assert_eq!(payment_preimage, preimage);
- assert_eq!(peeled2.outgoing_amt_msat, recipient_amount);
- assert_eq!(incoming_cltv_expiry, peeled2.outgoing_cltv_value);
- let msgs::FinalOnionHopData{total_msat, payment_secret} = payment_data.unwrap();
- assert_eq!(total_msat, total_amt_msat);
- assert_eq!(payment_secret, pay_secret);
- },
- _ => panic!("expected a received keysend"),
- };
- }
-
- fn make_update_add_msg(
- amount_msat: u64, cltv_expiry: u32, payment_hash: PaymentHash,
- onion_routing_packet: msgs::OnionPacket
- ) -> msgs::UpdateAddHTLC {
- msgs::UpdateAddHTLC {
- channel_id: ChannelId::from_bytes([0; 32]),
- htlc_id: 0,
- amount_msat,
- cltv_expiry,
- payment_hash,
- onion_routing_packet,
- skimmed_fee_msat: None,
- }
- }
-
- fn payment_onion_args(hop_pk: PublicKey, recipient_pk: PublicKey) -> (
- SecretKey, u64, u32, RecipientOnionFields, PaymentPreimage, PaymentHash, [u8; 32],
- Vec<RouteHop>, u64, PaymentSecret,
- ) {
- let session_priv_bytes = [42; 32];
- let session_priv = SecretKey::from_slice(&session_priv_bytes).unwrap();
- let total_amt_msat = 1000;
- let cur_height = 1000;
- let pay_secret = PaymentSecret([99; 32]);
- let recipient_onion = RecipientOnionFields::secret_only(pay_secret);
- let preimage_bytes = [43; 32];
- let preimage = PaymentPreimage(preimage_bytes);
- let rhash_bytes = Sha256::hash(&preimage_bytes).into_inner();
- let payment_hash = PaymentHash(rhash_bytes);
- let prng_seed = [44; 32];
-
- // make a route alice -> bob -> charlie
- let hop_fee = 1;
- let recipient_amount = total_amt_msat - hop_fee;
- let hops = vec![
- RouteHop {
- pubkey: hop_pk,
- fee_msat: hop_fee,
- cltv_expiry_delta: 42,
- short_channel_id: 1,
- node_features: NodeFeatures::empty(),
- channel_features: ChannelFeatures::empty(),
- maybe_announced_channel: false,
- },
- RouteHop {
- pubkey: recipient_pk,
- fee_msat: recipient_amount,
- cltv_expiry_delta: 42,
- short_channel_id: 2,
- node_features: NodeFeatures::empty(),
- channel_features: ChannelFeatures::empty(),
- maybe_announced_channel: false,
- }
- ];
-
- (session_priv, total_amt_msat, cur_height, recipient_onion, preimage, payment_hash,
- prng_seed, hops, recipient_amount, pay_secret)
- }
-
- pub fn create_payment_onion<T: bitcoin::secp256k1::Signing>(
- secp_ctx: &Secp256k1<T>, path: &Path, session_priv: &SecretKey, total_msat: u64,
- recipient_onion: RecipientOnionFields, best_block_height: u32, payment_hash: PaymentHash,
- keysend_preimage: Option<PaymentPreimage>, prng_seed: [u8; 32]
- ) -> Result<(u64, u32, msgs::OnionPacket), ()> {
- let onion_keys = super::onion_utils::construct_onion_keys(&secp_ctx, &path, &session_priv).map_err(|_| ())?;
- let (onion_payloads, htlc_msat, htlc_cltv) = super::onion_utils::build_onion_payloads(
- &path,
- total_msat,
- recipient_onion,
- best_block_height + 1,
- &keysend_preimage,
- ).map_err(|_| ())?;
- let onion_packet = super::onion_utils::construct_onion_packet(
- onion_payloads, onion_keys, prng_seed, &payment_hash
- )?;
- Ok((htlc_msat, htlc_cltv, onion_packet))
- }
}
#[cfg(ldk_bench)]
use crate::util::test_utils;
use crate::util::config::{UserConfig, MaxDustHTLCExposure};
+ use bitcoin::blockdata::locktime::absolute::LockTime;
use bitcoin::hashes::Hash;
use bitcoin::hashes::sha256::Hash as Sha256;
- use bitcoin::{Block, BlockHeader, PackedLockTime, Transaction, TxMerkleNode, TxOut};
+ use bitcoin::{Block, Transaction, TxOut};
use crate::sync::{Arc, Mutex, RwLock};
node_b.peer_connected(&node_a.get_our_node_id(), &Init {
features: node_a.init_features(), networks: None, remote_network_address: None
}, false).unwrap();
- node_a.create_channel(node_b.get_our_node_id(), 8_000_000, 100_000_000, 42, None).unwrap();
+ node_a.create_channel(node_b.get_our_node_id(), 8_000_000, 100_000_000, 42, None, None).unwrap();
node_b.handle_open_channel(&node_a.get_our_node_id(), &get_event_msg!(node_a_holder, MessageSendEvent::SendOpenChannel, node_b.get_our_node_id()));
node_a.handle_accept_channel(&node_b.get_our_node_id(), &get_event_msg!(node_b_holder, MessageSendEvent::SendAcceptChannel, node_a.get_our_node_id()));
let tx;
if let Event::FundingGenerationReady { temporary_channel_id, output_script, .. } = get_event!(node_a_holder, Event::FundingGenerationReady) {
- tx = Transaction { version: 2, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: vec![TxOut {
+ tx = Transaction { version: 2, lock_time: LockTime::ZERO, input: Vec::new(), output: vec![TxOut {
value: 8_000_000, script_pubkey: output_script,
}]};
node_a.funding_transaction_generated(&temporary_channel_id, &node_b.get_our_node_id(), tx.clone()).unwrap();
let mut payment_preimage = PaymentPreimage([0; 32]);
payment_preimage.0[0..8].copy_from_slice(&payment_count.to_le_bytes());
payment_count += 1;
- let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).into_inner());
+ let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).to_byte_array());
let payment_secret = $node_b.create_inbound_payment_for_hash(payment_hash, None, 7200, None).unwrap();
$node_a.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
projects / rust-lightning / blobdiff